{"entity":{"id":"spectrum-pharmaceuticals","kind":"company","name":"Spectrum Pharmaceuticals","aka":["Spectrum Pharmaceuticals, Inc","Spectrum Pharmaceuticals, Inc."],"tldr":"Spectrum Pharmaceuticals was a US cancer company that sold its haematology portfolio to Acrotech in 2019, won approval for the long-acting G-CSF eflapegrastim (Rolvedon) in 2022, and was acquired by Assertio in 2023.","summary":"Spectrum Pharmaceuticals, latterly based in Boston after years in Henderson, Nevada, marketed a haematology portfolio (Zevalin, Folotyn, Beleodaq, Marqibo and Evomela) that it sold to Acrotech Biopharma in 2019 to concentrate on two development programmes: poziotinib, an EGFR and HER2 exon 20 inhibitor that received a complete response letter in 2022, and eflapegrastim (Rolvedon), a long-acting G-CSF for chemotherapy-induced neutropenia approved by the FDA in September 2022. Assertio Holdings acquired the company in 2023. It appears on Nuclide as one of the most frequent industry sponsors of phase 3 cancer trials on the registry.","asOf":"2026-09-11","wikipedia":"https://en.wikipedia.org/wiki/Spectrum_Pharmaceuticals","links":[{"label":"ClinicalTrials.gov: trials led by Spectrum Pharmaceuticals","url":"https://clinicaltrials.gov/search?lead=Spectrum%20Pharmaceuticals"},{"label":"Wikipedia","url":"https://en.wikipedia.org/wiki/Spectrum_Pharmaceuticals"}],"tags":["ctgov-sponsor"],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":["acrotech-biopharma"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"provenance":{"editedBy":"Nuclide ingestion (ClinicalTrials.gov v2 + sponsor websites)","editedOn":"2026-09-11"},"hq":"Boston, MA","country":"US","companyType":"biotech","website":"https://www.spectrumpharm.com","stage":"acquired","investors":[],"funding":[]},"route":"/companies/spectrum-pharmaceuticals/","neighbours":{"company":[{"id":"acrotech-biopharma","kind":"company","name":"Acrotech Biopharma","route":"/companies/acrotech-biopharma/"}]}}